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Standardization of Monochromatic and Abridged Spectrophotometers

  • J. A. Van den Akker

Abstract

This paper presents descriptions and discussions of our central laboratory techniques that have been evolved over the years in connection with the operation of an international standardizing system for reflectometers* which have served the double purpose of measuring a specialized reflectance in the pulp and paper industry and functioning as abridged spectrophotometers and colorimeters. In the same period (about 33 years), our laboratories have been the scene of a number of carefully conducted instrumentation studies. In connection with this activity there has also been a need for the development of procedures that would lead to the more accurate and precise use of spectrophotometers and colorimeters.

Keywords

Check Point Linear Filter Effective Wavelength Photometric Error Photometric Accuracy 
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Copyright information

© Plenum Press 1968

Authors and Affiliations

  • J. A. Van den Akker
    • 1
  1. 1.Department of Physics and MathematicsThe Institute of Paper ChemistryAppletonUSA

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